Kenwood KFC-G6930 300 Watts 6" x 9" 3-Way Coaxial Speakers with PET Tweeters with Grills 6" x 9" 3-Way KFC Series Coaxial Car Audio Speakers Power Handling: Peak: 600 watts per pair / RMS: 100 watts per pair Polypropylene mid-woofer cone material Mid-woofer foam/rubber speaker surround 2-9/16" PET (polyethylene terephthalate) cone midrange